Deborah Harkness is a historian of science and a professor of history at the University of Southern California. She spent several years in Oxford doing research (and really did once find a missing manuscript in the Bodleian Library!). She has written THE JEWEL HOUSE: ELIZABETHAN LONDON AND THE SCIENTIFIC REVOLUTION as well as the three novels in the internationally bestselling ALL SOULS trilogy, A DISCOVERY OF WITCHES, SHADOW OF NIGHT and THE BOOK OF LIFE.